Modifying the class hierarchy and removing globals, allocators, simplifying

base.cpp

@@ -496,6 +496,18 @@ arena_push_size(Arena *a, size_t size){
   return result;
 }
 
+CORE_Static Arena
+push_arena(Allocator *allocator, size_t size, String debug_name) {
+  Arena result = {};
+  result.memory.data = (U8 *)allocate_size(allocator, size);
+  result.memory.reserve = size;
+  result.alignment = default_alignment;
+  result.debug_string = debug_name;
+  result.allocate     = (Allocator::Allocate *)arena_push_size;
+  result.deallocate   = (Allocator::Deallocate *)deallocate_stub;
+  return result;
+}
+
 CORE_Static void
 arena_init(Arena *a, String debug_name){
   a->memory       = os_reserve(default_reserve_size);
@@ -634,7 +646,7 @@ struct Array{
     *item = data[--len];
   }
 
-  void init(Arena *a, S64 size = 16){
+  void init(Allocator *a, S64 size = 16){
     allocator = a;
     data      = allocate_array(a, T, size);
     cap       = size;
@@ -686,7 +698,7 @@ struct Array{
 
 template<class T>
 CORE_Static Array<T>
-array_make(Arena *a, S64 size = 16){
+array_make(Allocator *a, S64 size = 16){
   Array<T> result = {};
   result.init(a, size);
   return result;
@@ -774,7 +786,7 @@ map_grow(Map *map, S64 new_size){
 }
 
 CORE_Static Map
-map_make(Arena *a, S64 size){
+map_make(Allocator *a, S64 size){
   Map result = {a};
   map_grow(&result, size);
   return result;
@@ -891,14 +903,14 @@ map_test(){
 // String intern
 //-----------------------------------------------------------------------------
 struct Intern_Table{
-  Arena *string_allocator;
+  Allocator *string_allocator;
   Map map;
   U8 *first_keyword;
   U8 *last_keyword;
 };
 
 CORE_Static Intern_Table
-intern_table_make(Arena *string_allocator, Arena *map_allocator, S64 initial_size = 32){
+intern_table_make(Allocator *string_allocator, Allocator *map_allocator, S64 initial_size = 32){
   Intern_Table result     = {};
   result.map              = map_make(map_allocator, initial_size);
   result.string_allocator = string_allocator;
@@ -916,7 +928,7 @@ intern_string(Intern_Table *t, String string){
     return result;
   }
 
-  S64 *len_address = (S64 *)arena_push_size(t->string_allocator, string.len+1+sizeof(S64));
+  S64 *len_address = (S64 *)allocate_size(t->string_allocator, string.len+1+sizeof(S64), false);
   *len_address = string.len;
 
   U8 *string_address = (U8 *)(len_address + 1);